Home / 18,347.57-27,532.32-6,661.70

Finding the Fourth Proportional to 18,347.57, 27,532.32 and 6,661.70

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Solution

The fourth proportional to 18,347.57, 27,532.32 and 6,661.70 is: 9,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.57 : 27,532.32 = 6,661.70 : x
  2. Step 2: Convert to fraction form
    18,347.57/27,532.32 = 6,661.70/x
  3. Step 3: Cross multiply
    18,347.57x = 27,532.32 × 6,661.70
  4. Step 4: Simplify right side
    18,347.57x = 183,412,056.14
  5. Step 5: Solve for x
    x = 183,412,056.14/18,347.57
  6. Step 6: Final answer
    x = 9,996.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.